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读写位是最低位,高5位是不变的10011,加上User Define 2位,再加上读写位,这样共8位。
79 = 0100 1111 这样看高5位是 01001 ,与datasheet 对不上。
芯片检测地址原理 datasheet 没有说明,我也猜测是通过 pin ADR电阻上的电压判断的;
TAS5825M的地址您是通过下面电阻值设置的吗?您用示波器检测pin ADR的电压,address的值改变时 ADR电压会改变吗?ADR电压稳定吗?